Connections are as follows
7-pin DIN socket Terminal block
Pin 1 Channel 1
Pin 2 0V
Pin 3 Channel 4
Pin 4 Channel 2
Pin 5 Channel 3
Pin 6 +15V supply
Pin 7 +15V supply
Link between +10V and ENABLE
Connecting t o ot her manufact urers’
power packs
Do not connect to a power packs with a supply voltage
output of more than +20V, nor power packs with a negative
supply voltage output. This may damage the IF32.
Connect the power supply voltage output from the slave pack
to either pin 6 or pin 7 or both on the IF32 7-pin DIN sockets.
Whilst it is only necessary to connect the power supply from
one power pack to each half of the IF32, it is advisable to
connect them all. This ensures that if the mains to one slave pack
is disconnected, then the IF32 does not lose its power supply.
The power supply connections can come from power packs on
different mains phases. The green LEDs will light when power is
present.
If no supply is available from the power pack proceed as
follows:
The IF32 may be used with an external +15V 100mA supply -
connect between pin 6 and pin 2 on two 7-pin DIN sockets, pin 6
positive, pin 2 negative. It is not necessary to use a regulated
supply. Connect to one socket on each half of the IF32.
The IF32 may also be used with a transformer. Use a 12-0-
12V 100mA transformer . Connect as follows: 12V - pin 6 0V - pin
2 12V - pin 7 on two DIN sockets, one DIN socket on each half of
the IF32.
© N.J.D. Electronics 1997 -Page 4-
IF32 User Guide
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